1. Plunder NPC cities on the world map(e.g. Holy Hanseatic League or Council of Prometheus) and there is a chance to get techs.
2. Attack non-ally players’ cities on the world map and there is a chance to get techs.
3. Purchase techs in Alliance Store. It is required that:
*The members in your alliance meet minimum donation requirement for the tech you want to buy.
*Any LV.4 or above alliance member unlock the tech in Alliance Store.
*Now you can spend your Alliance Honor Points to buy this tech.
4. You have a chance to get techs during in-game events as well.

Doom Strike Tip #2: Building Tips.

Food Workshop
It adds all kinds of vitamins in food. It makes sure that all Shelter members get enough nutrition from food so that they can survive the harsh environment outside.

Raster Trading Post
It mainly increases the max gold storage in player’s base, so that player will develop their cities better.

Academy of Basic Science
As one of the signature buildings, Academy of Basic Science provides greater research power. It symbolizes a player’s tech development level.

Raw Materials Refinery
As one of the signature buildings, it helps players gather mines in the wild. It symbolizes the productivity of a player.

Raster Cattle Farm
As one of the signature buildings, it helps players keep mutant cattle.It symbolizes the productivity of a player.

Vegetation Processing Plant
It improves food production efficiency and reduces food consumption. It help provide more food.

Doom Strike Tip #3: Resources Tips.
Gold.
You also need 8 day to reach the Gold Storage Limit.
Gold has not been plundered by the enemy.
Build more Laster Bazaar to increase storage limit.

Special Minerals.
There is no mineral outputs in your territory.
-When the storage limit is reached, minerals will no longer be produced.
- All minerals share storage limit.
- The minerals you've obtained will not be plundered by the enemy again.
- Build more Manufacturer to increase storage limit.Doom Strike Tip #4: City.
The maximum number of cities currently is 1.
The more cities, the higher the upkeep per city.
Research T324 technology to increase the number of upper limit.
Occupy the enemy city to get extra gold.
Tech basic Sociology reach lvl 20 to occupy enemy cities.
Occupation reaches 7 days and you can annex the city count as a city that you opened up.
If the number of cities currently allowed to occupy is 0.
Research T325 technology to increase the number of upper limit.

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